Here's a gut shot for ya:
I found a place that sells drive belts and placed an order this evening to replace these:
This part of RetroChallenge is really nice, the actually fixing broken stuff so I can play with it again. If it were any other time of the year I would probably just pack it up again and put it away. Bless you, RetroChallenge!
Oh and I figured out my camera's intelligent flash feature: Being intelligent enough to half cover the flashbulb when shooting something on white!
On that note, methinks Frell has the right idea: